Home / 30,479.88-45,725.51-13,841.07

Finding the Fourth Proportional to 30,479.88, 45,725.51 and 13,841.07

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Solution

The fourth proportional to 30,479.88, 45,725.51 and 13,841.07 is: 20,764.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,479.88 : 45,725.51 = 13,841.07 : x
  2. Step 2: Convert to fraction form
    30,479.88/45,725.51 = 13,841.07/x
  3. Step 3: Cross multiply
    30,479.88x = 45,725.51 × 13,841.07
  4. Step 4: Simplify right side
    30,479.88x = 632,889,915.49
  5. Step 5: Solve for x
    x = 632,889,915.49/30,479.88
  6. Step 6: Final answer
    x = 20,764.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.